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use the given degree of confidence and sample data to find a confidence interval for the population standard deviation (O- symbol). Assume the population has
use the given degree of confidence and sample data to find a confidence interval for the population standard deviation (O- symbol). Assume the population has a normal distribution.
To find the standard deviation of the diameter of wooden dowels, the manufacturers measure 19 randomly selected dowels and finds the standard deviation of the sample to be s = 0.16 find the 95% confidence interval for the population standard deviation (O- Symbol).
A) 0.12,0.24 B)0.13,0.22 C)0.11,0.25 D)0.15,0.21
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